package com.xwintop.xtest.util;

import java.util.Random;

public class PasswordCreateUtil {
	public static String createPassword() {
		return genRandomNum(10);
	}
	/**
	 * 生成随即密码
	 * @param pwd_len 生成的密码的总长度
	 * @return 密码的字符串
	 */
	public static String genRandomNum(int pwd_len) {
		//26*2个字母+10个数字+31特殊字符
		final int maxNum = 93;
		int i; // 生成的随机数
		int count = 0; // 生成的密码的长度
//		char[] str = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
//				't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
//		char[] str = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k',  
//                'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',  
//                'x', 'y', 'z', 'A','B','C','D','E','F','G','H','I','J','K',  
//                'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',  
//                'X', 'Y' ,'Z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
		char[] str = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k',  
				'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',  
				'x', 'y', 'z', 'A','B','C','D','E','F','G','H','I','J','K',  
				'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',  
				'X', 'Y' ,'Z', '0', '1', '2', '3', '4', '5', '6', '7', '8',
				'9','~','!','/','@','#','$','%','^','&','*','(',')','-','_',
				'=','+','\\','|','[','{','}',']',';',':','\'','\"',',','<',
				'.','>','?'};
		StringBuffer pwd = new StringBuffer("");
		Random r = new Random();
		while (count < pwd_len) {
			// 生成随机数，取绝对值，防止生成负数，
			i = Math.abs(r.nextInt(maxNum)); // 生成的数最大为36-1
			if (i >= 0 && i < str.length) {
				pwd.append(str[i]);
				count++;
			}
		}
		return pwd.toString();
	}
	
	public static boolean checkPasswordSecurity(String password) {
//		String password = "Abc12345!";
//		boolean isMeet = password.matches("(?=^.{8,}$)(?=(?:.*?\\d){1})(?=.*[a-z])(?=(?:.*?[A-Z]){1})(?=(?:.*?[!@#$%*()_+^&}{:;?.]){1})(?!.*\\s)[0-9a-zA-Z!@#$%*()_+^&}{:;?.]*$");
		boolean isMeet = password.matches("(?=^.{8,}$)(?=.*?\\d)(?=.*[a-z])(?=.*?[A-Z])(?=.*?[~!/@#$%^&*()\\-_=+\\|\\[{}\\];:\'\",<.>/?])(?!.*\\s)[0-9a-zA-Z~!/@#$%^&*()\\-_=+\\|\\[{}\\];:\'\",<.>/?]*$");
		System.out.println(isMeet);
		if(!isMeet){
			return false;
		}
		String[] strings = {"`1234567890-=","qwertyuiop[]\\","asdfghjkl;''"
				,"zxcvbnm,./","~!@#$%^&*()_+","QWERTYUIOP{}|","ASDFGHJKL:\"","ZXCVBNM<>?"};
		int checkLength = 4;//检查连续字符串的长度
		for(int i=0;i<=password.length()-checkLength;i++){
			for(String string : strings){
				if (string.contains(password.substring(i, i+checkLength))) {
					return false;
				}
			}
		}
		return true;
	}
}
